LTC3636IUFD#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	2
Voltage - Input (Min):	3.1V
Voltage - Input (Max):	20V
Voltage - Output (Min/Fixed):	0.6V
Voltage - Output (Max):	5V
Current - Output:	6A
Frequency - Switching:	Adjustable
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	28-WFQFN Exposed Pad
Supplier Device Package:	28-QFN (4x5)
Base Part Number:	LTC3636

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Introduction
The LTC3636IUFD#TRPBF is a power management integrated circuit (PMIC) that offers a DC/DC switching regulator solution. It is used to provide the most efficient electrical power to an electronic system. In addition, this PMIC offers an adjustable voltage output to meet the system’s special needs. It features a wide input voltage range, up to 100 V, and can be operated with an input voltage as low as 4.5 V. This PMIC also offers a very accurate and stable output voltage, as low as 0.6 V, and can reach 2.5 MHz switching frequency. This PMIC is suitable for electronic products with low power consumption, such as wearable devices and wireless charging systems.Application Field
The LTC3636IUFD#TRPBF switching regulator can be used in many applications, such as powering gate drivers for power switches in electric inverters and motor drives, powering USB PD systems, LED displays, LCD backlighting, and camera modules. The PMIC can also provide clear and stable output voltages for various radio-frequency (RF) devices. In addition, the design of the PMIC allows it to be used as a buck-boost regulator, providing a wide input and output voltage range, to meet the needs of many different types of systems.Features
The LTC3636IUFD#TRPBF switching regulator offers many features to make it suitable for many applications. It has a wide input voltage range of 4.5 V to 100 V, and is able to operate at a switching frequency as high as 2.5 MHz. The PMIC can be "burnt-in" during the manufacturing process for temperature compensations, allowing it to be used in a variety of temperature environments, from -40°C to 85°C. It also provides an accurate and stable voltage output, with a low minimum voltage of 0.6 V, and an accuracy of 0.2%. The design of the PMIC also allows it to be used in low-power applications, with a minimum load current of 1 mA.Working Principle
The LTC3636IUFD#TRPBF is a DC/DC switching regulator, which uses a multi-level switching system to convert the input voltage to a desired output voltage. The PMIC uses two sets of components - the voltage converter and the voltage switching circuit - to switch the power on and off. The voltage converter regulates the input voltage, while the voltage switching circuit switches the voltage on and off at a desired frequency.The voltage converter converts the input voltage to the desired output voltage. This process is achieved by the regulation of the two supplies – the input voltage and the internal reference voltage. The internal reference voltage is generated by an error amplifier which compares the output voltage to a feedback signal from the output. If the output is not at the desired level, then the error amplifier adjusts the internal reference voltage, and the voltage converter corrects for the error.The voltage switching circuit then switches the voltage on and off at a controlled frequency. When the desired output is reached, the PMIC switches off the output. This "OFF" time depends on the load and the output voltage. When the output voltage falls below the desired level, then the PMIC switches the output voltage "ON" again until it reaches the desired level.The result of the operation of the PMIC is an energy-efficient, accurate, and stable voltage output. The PMIC also offers protection features, such as overvoltage protection, undervoltage lockout, and programmable soft-start, to ensure that the system is safe and protected.Conclusion
The LTC3636IUFD#TRPBF is a DC/DC switching regulator which offers an efficient, accurate and stable output voltage. It offers a wide input voltage range, up to 100 V, and can provide a minimum output voltage of 0.6 V. The PMIC also offers protection features, such as overvoltage, undervoltage lockout and programmable soft-start, to ensure the safety of system operation. In addition, the design of the PMIC allows it to be used in low-power applications, with a minimum load current of 1 mA. Therefore, the LTC3636IUFD#TRPBF is a suitable choice for many applications, such as powering USB PD systems, LED displays, LCD backlighting, and radio-frequency (RF) devices.

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